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Fibre Channel LEDs
Fibre Channel Port LEDs
Fibre Channel Port LEDs are adjacent to each Fibre Channel port. They indicate port status and activity.
Each port has a one bi-color, green/yellow, LED to indicate port status. When you enable a Fibre Channel
interface module, and a Fibre Channel device is already connected, the run light (LED) of the Fibre
Channel interface port changes from yellow to green, indicating that a connection has been established
between the Fibre Channel device and the port.
Table 5-12
Table 5-12
LED State
Off
Solid yellow
Slow pulsing yellow (2
second intervals)
Fast pulsing yellow
(half-second intervals)
Solid green
Slow pulsing green (2
second intervals)
Fast pulsing green
(half-second intervals)
Sporadic flickering
green
Table 5-13
Table 5-13
LED State
Off
Solid green
Cisco SFS 3012R Multifabric Server Switch Hardware Installation Guide
5-10
explains the Fibre Channel port status LED.
Interpreting the Fibre Channel Port Status LEDs
Indication
Optic module or cable is not attached.
A cable is attached, but the port is offline.
Fiber installed and port is disabled as the result of diagnostics or port access
is denied through CLI or Element Manager.
Signal detected but port fault is also detected.
The port is online, and a signal is detected.
The port is online with a loop-back cable attached or an incompatible device.
The port is online but running some internal diagnostics.
The port is online, and packet traffic is detected.
explains the Fibre Channel port activity LED.
Interpreting the Fibre Channel Port Activity LEDs
Indication
1 Gbps
2 Gbps
Chapter 5
Cisco SFS 3012R Server Switch LEDs
OL-11187-01
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